A Superconducting Microstrip Ultra-Wideband (UWB) Bandpass Filter at VHF-Band

被引：8

作者：

Chen, Wei ^{[1
]}

Guo, Xubo ^{[2
]}

Cao, Bisong ^{[1
]}

Zhang, Xiaoping ^{[1
]}

Wei, Bin ^{[1
]}

Zhang, Ying ^{[1
]}

Lu, Xinxiang ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2009年 / 19卷 / 10期

基金：

美国国家科学基金会;

关键词：

Bandpass filter (BPF); microstrip; short-circuited stubs; superconducting; ultra-wideband (UWB); DESIGN;

D O I：

10.1109/LMWC.2009.2029740

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A compact superconducting ultra-wideband filter with a passband from 125 to 260 MHz is demonstrated. The filter consists of ten shunt short-circuited stubs separated by connecting lines. The short-circuited stubs are grounded via a grounding strip that is attached to the box wall by a number of SiAl bonding wires. The filter is realized on two 2 in YBCO/LaAlO3 substrates, which are connected by two bonding wires. The measured results demonstrate an insertion loss of less than 0.08 dB and a return loss of better than 21 dB without tuning. Furthermore, the experimental results of the filter are in good agreement with the simulated ones.

引用

页码：635 / 637

页数：3

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